﻿<!DOCTYPE html>
<html lang="en">

<head>
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	<title>Document</title>
	<style>
		div {
			width: 1280px;
			height: 720px;
			position: absolute;
		}
	</style>
</head>

<body>
	<div>
		<video width="100%" height="100%" loop autoplay
			src="http://cloud.kh.cst-info.cn:8000/video/index.mp4"></video>
	</div>
</body>

<script>
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		var keyCode = e.which || e.keyCode;
		switch (keyCode) {
			case 640:
			case 114:
			case 8:
				window.history.go(-1);
				return false;
				break;
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	}
	document.onkeydown = grabEvent;
</script>

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